Voodoo Sound

Low level driver and Android application that tunes your Smartphone hardware configuration to brings you the highest audio quality.
Carefully designed, written using state-of the art original methods and optimized by a measurement-driven methodology.

Voodoo Sound is compatible only with a limited set of devices capable of audiophile-quality music playing.

Requires root, free version.

Voodoo Sound Plus

Upgrades Voodoo Sound application capabilities:

Load Voodoo Sound driver without having to flash and update a custom kernel built by a third-party developer.

Requires root, commercial.

Voodoo LOUDER

A simple app designed for Galaxy S II and Galaxy Note, allowing to boost headphone amplifier output to the maximum output levels is capable of.

OTA RootKeeper

Saves a Superuser su binary backup, protected from destruction or alteration on most modern devices in order to keep root after applying firmware updates.
Features also a basic temporary un-root option.

As a nasty security issue has been published, before any fix is available during mid December 2012 as vendors were not made aware I wrote a little app that checks the vulnerability status and applies a fix automatically at boot to keep you safe